Voltage alert (Cable tester)

Voltage alert is 100% safe and this pen detects Voltage in a non-contact way, so don’t worry about there could be any possibility of being shocked by the electricity. It is easy to use and you can use the Non-Contact Voltage Detector in circuit breakers, lighting fixtures, switches, outlets, wires and anywhere you need it.

• Self-testing before use: Close the tester probe to any hot line, bestest will light up together with buzzer sound. If the light and sound are weak, please replace the batteries inside.
• Test voltage present: Close the test pin to live parts, the tester will light up together with sound
• Replace batteries: Please refer to the following picture to replace batteries.